Putter sole



FIG. 1 is a front perspective view of the putter sole.

FIG. 2 is a front view of the putter sole.

FIG. 3 is a right-side view of the putter sole.

FIG. 4 is a left-side view of the putter sole.

FIG. 5 is a back view of the putter sole.

FIG. 6 is a top view of the putter sole.

FIG. 7 is a bottom view of the putter sole; and,

FIG. 8 is a rear perspective view of the putter sole.

The broken line showing on the drawing views is included for the purpose of illustrating and forms no part of the claimed design. 

The ornamental design for a putter sole, as shown and described. 